Re: math/blas not compiling due to gcc7 error

[Connor McLaughlan <cont6pro3%gmail.com@localhost>]

On Wed, Aug 19, 2020 at 10:59 PM Connor McLaughlan <cont6pro3%gmail.com@localhost> wrote:
>
> On Wed, Aug 19, 2020 at 2:24 AM Jason Bacon <outpaddling%yahoo.com@localhost> wrote:
> >
> > On 2020-08-18 17:26, Connor McLaughlan wrote:
> > > On Tue, Aug 18, 2020 at 10:56 AM Connor McLaughlan <cont6pro3%gmail.com@localhost> wrote:
> > >> On Tue, Aug 18, 2020 at 9:49 AM Juraj Lutter <otis%netbsd.org@localhost> wrote:
> > >>>
> > >>>> On 18 Aug 2020, at 09:35, Connor McLaughlan <cont6pro3%gmail.com@localhost> wrote:
> > >>>>
> > >>>> On Sat, Aug 15, 2020 at 2:11 AM Connor McLaughlan <cont6pro3%gmail.com@localhost> wrote:
> > >>>>> I am unsure if this is an error of blas by calling the undefined
> > >>>>> reference in libgfortran.so or by gcc7 to have experienced an error
> > >>>>> during building of its fortran compiler.
> > > So i think there is something wrong with the gcc7 build via pkgsrc on sparc64.
> > >
> > > The libgfortran.so has undefined symbols of the cab* functions.
> > > There are patches for gcc7 that have the focus to adjust these issues
> > > for NetBSD, but something is not working out for gfortran on sparc64:
> > >
> > > bash-5.0# more patch-gcc_config.gcc
> > > $NetBSD: patch-gcc_config.gcc,v 1.4 2018/11/09 11:22:13 mrg Exp $
> > >
> > > Workaround netbsd's compatibility non-C99 cabs (causes gfortran link failures)
> > >
> > > bash-5.0# cat patch-gcc_config_netbsd-protos.h
> > > [...]
> > > +#ifndef _NETBSD_PROTOS_H_
> > > +#define _NETBSD_PROTOS_H_
> > > +
> > > +double __c99_cabs (double complex);
> > > +float __c99_cabsf (float complex);
> > > +long double __c99_cabsl (long double complex);
> > > [...]
> > >
> > > Should i start a new mailing since this seems not to be a problem of
> > > math/blas or math/coinmp?
> > >
> > > Regards,
> > > Connor
> > FYI, can't reproduce the problem on AMD64:
> >
> > => Checking file-check results for blas-3.9.0
> > => Creating binary package
> > /home/bacon/Pkgsrc/pkgsrc/wip/blas/work/.packages/blas-3.9.0.tgz
> > ===> Building binary package for blas-3.9.0
> > => Creating binary package
> > /home/bacon/Pkgsrc/pkgsrc/packages/All/blas-3.9.0.tgz
> > ===> Installing binary package of blas-3.9.0
> > localhost: {21} pwd
> > /home/bacon/Pkgsrc/pkgsrc/wip/blas
> > localhost: {22} uname -a
> > NetBSD localhost 9.0 NetBSD 9.0 (GENERIC) #0: Fri Feb 14 00:06:28 UTC
> > 2020 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC
> > amd64
> >
>
> I have done a little testing on Linux/amd64.
>
> Here i compile lang/gcc7 and the gfortran is able to compile
> math/coinmp, so in theory should be working.
>
> But i was again unable to compile math/blas or wip/blas, this time
> with a different error (which is of no particular importance to me, my
> sparc64 error is the one i need solved):
>
> -- The Fortran compiler identification is GNU 7.5.0
> -- The C compiler identification is GNU 9.2.1
> -- Check for working Fortran compiler:
> /usr/pkgsrc/math/blas/work/.cwrapper/bin/gfortran
> -- Check for working Fortran compiler:
> /usr/pkgsrc/math/blas/work/.cwrapper/bin/gfortran - broken
> CMake Error at /usr/pkg/share/cmake-3.17/Modules/CMakeTestFortranCompiler.cmake:45
> (message):
>   The Fortran compiler
>
>     "/usr/pkgsrc/math/blas/work/.cwrapper/bin/gfortran"
>
>   is not able to compile a simple test program.
>
>   It fails with the following output:
>
>     Change Dir: /usr/pkgsrc/math/blas/work/lapack-3.9.0/obj/CMakeFiles/CMakeTmp
>
>     Run Build Command(s):/usr/bin/gmake cmTC_7e63b/fast && make  -f
> CMakeFiles/cmTC_7e63b.dir/build.make CMakeFiles/cmTC_7e63b.dir/build
>     Building Fortran object CMakeFiles/cmTC_7e63b.dir/testFortranCompiler.f.o
>     /usr/pkgsrc/math/blas/work/.cwrapper/bin/gfortran   -O -c
> /usr/pkgsrc/math/blas/work/lapack-3.9.0/obj/CMakeFiles/CMakeTmp/testFortranCompiler.f
> -o CMakeFiles/cmTC_7e63b.dir/testFortranCompiler.f.o
>     Linking Fortran executable cmTC_7e63b
>     /usr/pkg/bin/cmake -E cmake_link_script
> CMakeFiles/cmTC_7e63b.dir/link.txt --verbose=1
>     /usr/pkgsrc/math/blas/work/.cwrapper/bin/gfortran  -L/usr/pkg/lib
> -Wl,-R/usr/pkg/lib -L/usr/lib64 -Wl,-R/usr/lib64  -O
> CMakeFiles/cmTC_7e63b.dir/testFortranCompiler.f.o  -o cmTC_7e63b
>     /usr/bin/ld: cannot find -lgcc_s
>     collect2: error: ld returned 1 exit status
>     *** Error code 1
>
>     Stop.
>     make[1]: stopped in
> /usr/pkgsrc/math/blas/work/lapack-3.9.0/obj/CMakeFiles/CMakeTmp
>     gmake: *** [Makefile:141: cmTC_7e63b/fast] Error 1
>
>
>
>
>
>   CMake will not be able to correctly generate this project.
> Call Stack (most recent call first):
>   CMakeLists.txt:3 (project)
>
>
> -- Configuring incomplete, errors occurred!
> See also "/usr/pkgsrc/math/blas/work/lapack-3.9.0/obj/CMakeFiles/CMakeOutput.log".
> See also "/usr/pkgsrc/math/blas/work/lapack-3.9.0/obj/CMakeFiles/CMakeError.log".
> *** Error code 1
>
> Stop.
> bmake[1]: stopped in /usr/pkgsrc/math/blas
> *** Error code 1
>
> Stop.
>
>
> Regards,
> Connor

Error with fortran compiling on linux/amd64 (opensuse) was solved by a
soft-link of libgcc_s.so to libgcc_s.so.1 in /lib64

So both math/blas and math/openmp compile on linux/amd64 with a
freshly built lang/gcc7.

Now back to searching the bug on why the same scenario fails on NetBSD/sparc64

Regards,
Connor